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Study on the Transformation Echnologies of Unstructured Data in Enterprise Content Management

Author: DingLeiMing
Tutor: ChenZuoPeng；LiQing
School: Shanghai Jiaotong University
Course: Software Engineering
Keywords: Enterprise Content Management Unstructured data Transform Page description language document Workflow Multi-threading technology
CLC: TP311.52
Type: Master's thesis
Year: 2010
Downloads: 96
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Abstract


Enterprise content management (Enterprise Content Management) (ECM) as a special unstructured information management technology, along with the sharp increase of the scale of unstructured and semi-structured information and application requirements, the development of information management technology is becoming An important direction. Many major enterprise content management vendors in the enterprise content management products unstructured data conversion technologies and products. Most of these technologies and products to convert a limited kind of documents, and the lack of flexibility and the ability to customize the conversion process, so has not been widely used in enterprise content management. In addition, because the industry there are a lot of other systems and software page description language (Page Description Language) (referred to as the PDL) document, in order to make these unstructured data can be easily included in the effective management of the enterprise content management, you need to have a high degree Automation and high-performance conversion processing tools. For these products and the lack of technology available and some of the outstanding demand contradiction to unstructured data - commonly used types - page description language document - for example, a generic document model, as a different format unstructured data into other formats intermediary. First introduced common page description language documentation, analysis and comparison of the advantages and disadvantages of each. The main common elements of a page description language document obtained by summing up the general laws. Design of the various elements of information applicable to save a variety of page description language document, and then to the Unified Modeling Language (UML) in the form of a class definition and general document model with a unified interface. Conversion intermediate data model as the basis for further design system architecture based on the conversion of workflow and multithreaded technology. It has the characteristics of high flexibility and high conversion performance. The paper then describes the core component module in the system architecture of the conversion, and the conversion system works, including the project files ready system configuration parameters and conversion tasks to the start of the system, the task of preparation, initiation, execution and the end of the work, and then to complete the implementation process of the last system shutdown. At the same time, an overview of the system of monitoring and reporting mechanism, the design of the system of eXtensible Markup Language (XML) based parameters and a graphical user interface Graphical User Interface (GUI) communications referred. Then, a detailed description of the design of the components. The components design goal is to achieve the the entire system processing conversion tasks on the high flexibility and high scalability. So the goal of the main components of the basic classes of data structure and behavior defined and described in detail the implementation of the principle of the components, including the start of the components, the implementation of (single-threaded mode and multi-threaded mode), stop and release. Then divided into components by function input, processing and output of three categories and describe their features. Then again based on the design and development the conversion system prototype made development goals, including the prototype system outputs were designed, developed standards, tools and various stage work. Then simple interface and use of the prototype system. After re-evaluation of the prototype system. The evaluation criteria is the ability to replace existing products, and can provide more benefits. Through a comparative analysis, that the prototype system to solve the main drawback of the existing products, but the need to further enhance and improve the conversion performance and output quality, and lists some of the problems and improvement points. Concluded the full text, and also briefly discusses some of the new technologies in the new conversion system and outlook.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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